This is a Brand New Headset headworn microphone for use for Shure wireless bodypack transmitter with 3.5mm mono jack connector input. or other wireless system with the same connectors Comes with microphone windscreen foam Free Shipping with Tracking Number! Specifications: Directivity: Unidirectional Frequency Range: 50Hz-16KHz　 Sensitivity:-39dB±1dB/（0dB=1V/Pa at 1KHz）　 Output Impedance: 680Ω±30%(at 1kHz)　 Operation Voltage：DC 1.0V-10V…

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